1901,20.6,19.7,18.2,14.9,9.8,6.2,5.1,8.6,11.2,16.6,17.8,18.2
1902,19,18.9,16.9,15.5,9.1,6,6.4,8.2,13.5,14.9,18.4,19.9
1903,19.9,19.5,18.1,16,11.1,6.2,5.8,8.5,10.3,15.7,18.3,18.5
1904,18.2,17.6,15.8,14.2,8.8,7.1,4.9,7.8,10.7,16.3,19.2,17.8
1905,19.8,18.7,15.9,14,8.7,6.5,4.5,8.4,13,18.1,18.8,19.9
1906,20.4,17.5,16.5,13.4,9.4,6.2,4.8,7,11.8,15,16.6,18.2
1907,18.5,17.9,16.6,13.2,8.9,5.6,3.3,6.2,11.4,15.4,17.6,17.5
1908,18.6,18.1,16.6,13.2,8.4,7.3,5.2,9,13.4,17.3,17.7,18.8
1909,18.7,18,15.8,12,8.8,5.1,5.5,8.6,11.7,16.1,17.8,19.2
1910,18.7,18.3,16.4,13.1,7.7,5.7,4.9,8.2,11.6,15.1,16.1,18.6
1911,18.2,17.9,15.4,12.6,8,4.3,4,7.2,10.8,17.2,18.7,21.1
1912,19.3,19.4,16.3,15.3,11.1,5.4,4.4,7.1,11.1,15.6,20.6,19.5
1913,20.4,19.5,16.6,14.4,9.3,5.6,5.8,8.4,12.2,16.5,18.1,21.1
1914,20.7,18.4,17.3,15.5,9.7,6.8,4.6,6.9,13.8,17.4,18.6,18.8
1915,19.2,18.1,15.6,14.2,8.4,6.3,6,7.5,11.6,15.9,18.3,19.2
1916,18.9,19.9,17.5,13.3,7.7,6.3,5.8,6.9,12.1,17.7,18.1,18.2
1917,18.3,18.8,16.6,13.7,9.7,6.8,5,7.3,11.8,17.3,18.6,17.5
1918,17.1,17.9,16,11.6,7.3,5,5.5,5.6,13.1,17.6,18.2,18.5
1919,18.9,18,16.1,14.4,7.2,6.4,5.7,7.3,11.9,16.4,18,18.9
1920,19.9,18.6,16,12.3,8.9,5.4,5.6,7.5,13.4,16.2,19.1,19.3
1921,18.9,18.1,17.2,13.4,8.3,6.8,4.1,6.6,11.2,16.8,17.5,17.9
1922,20.1,19.1,18.5,14.5,8.9,7.6,6.1,9.2,12.2,15.7,18.7,20
1923,18.8,18,16.5,13,8.7,6.8,5.4,8.4,11.4,16.9,20,19
1924,19.7,17.2,18.3,12.7,9.5,6.6,5.3,7.3,12.6,16,18.2,17.8
1925,17.9,18.7,17.3,14.9,7.9,6,4.9,7.5,9.7,14.9,17.9,20.1
1926,19.5,20.7,16.7,13.4,8.8,6.5,4,6.5,12.4,16.6,17.7,18.9
1927,19.2,18,16.1,14,7.9,5.5,5.4,6.9,12.9,16.2,18.2,19.2
1928,19.5,18.2,18.6,14.5,8.5,7.3,4.6,7,13.2,18,19.3,19.5
1929,18.7,18.2,16,12.3,9.9,7.4,5.9,7.9,14.3,18.7,19.6,17.8
1930,18.6,18.3,17.4,14.4,7.3,5.1,4.8,7,10.8,16.1,19.3,18.9
1931,18.9,19.2,18.4,14.5,11.1,6.2,5.7,8.5,12,16.5,16.5,18.3
1932,18.2,18.6,16.1,14.6,8.8,5.1,3.7,6.7,13,16.6,18.7,19
1933,18.2,18.3,17.3,13.9,9.2,6.7,6.3,8,11.2,16.6,17.8,17.8
1934,18.8,18.5,17.5,15.2,10.7,7.8,7.5,9.8,11.2,16.2,18.1,18.6
1935,18.6,16.4,16.5,13.5,8.9,5.4,5.6,5.1,12.4,17.7,17.8,19.1
1936,19,19,16.2,13.1,7.9,5.9,5.8,7.5,10.2,16.4,17,17.6
1937,19.1,18.5,16.8,13.3,8.1,5.6,3.9,6.9,11.6,16.6,19.7,18
1938,19,18.4,17.4,15.9,10.2,6.3,5.8,8.1,12.2,17.6,17,18.2
1939,17.8,18.6,16.1,12.2,9.6,6,5.2,8,10.4,16.4,17,18.1
1940,17.9,18.3,17.9,14.3,8.4,6.5,4.3,8.9,14.1,15.2,18.2,19.5
1941,18.8,18.1,16.1,15.1,9.2,6.8,5.5,8.3,12.1,17.3,19.2,19.1
1942,20.5,20.6,18,14.3,9.7,8.2,6.1,9.9,13.6,15.9,17.8,18.9
1943,18.9,17.4,16.5,15.1,9.2,5.1,7,8.3,12.3,18.1,18.2,18
1944,20.4,19.2,16.1,14,7.4,7,5.4,9,11.7,16.4,18.7,19.1
1945,18.4,18.8,16.6,13.6,8.3,3.9,5.2,7,12,17.1,17.8,18.9
1946,19.6,19,16.4,13.7,9.4,5.6,4.5,6,12.5,17.6,18.8,19.6
1947,20,20.4,17.2,15.6,8.8,6.4,4,8.3,12.2,16.9,19.5,18.9
1948,19.1,19,18.5,13.7,9.5,5.1,6.3,7.3,11.3,17.2,17.9,18.5
1949,20.3,17.9,16.4,13.5,9.7,6.9,5.5,8.7,12.9,16.5,19.2,18.8
1950,19,19.4,17.9,15.1,8.3,6.3,7.4,8.1,12.7,14.9,17.9,19.4
1951,18,18,17.9,14,10.2,4.3,3.8,7.5,11.9,17,17.6,19
1952,19.8,18.9,16.8,13.8,8.7,7.4,6.1,8,12.1,17.1,17.3,18.5
1953,20,19.4,16.8,14.3,9.5,3.9,3.4,7.7,9.4,16.5,18.7,19.2
1954,19.5,19,16.9,13.8,9.4,5.3,3.7,7.4,12.8,17.1,17.6,19.4
1955,19.5,19.3,16.5,13.7,9.5,6.7,5.2,6.6,11,15.7,17.7,18.8
1956,18.1,19.1,18.3,13.9,9.1,6.3,5.7,7.8,11.3,16.3,17.6,18
1957,19,19.1,17,13.8,8.8,5,6.4,8.1,14,17.4,19.8,19
1958,20.5,19.7,16.8,14.5,10,5.6,4.9,6.5,13,16.2,19.1,19.3
1959,19.4,18.1,16.9,14.2,8.9,7,7.1,7.2,11.2,16.2,18.1,19.6
1960,18.4,18.9,16.9,14,8.1,7.4,4.2,9.2,12.7,17.4,17.6,18.9
1961,17.7,17.7,17.7,14.6,9.7,7.1,6.5,6.5,12.8,16,17.1,17.8
1962,19,18.4,16.1,13.4,7.8,5.5,5.6,7.8,12.4,17.4,18.4,18.3
1963,17.9,17.5,15.5,12.8,6.7,5,4.3,6.5,12.4,16.8,18.7,18.3
1964,19,18.5,18.4,14.1,8.9,4.1,3.7,7.6,12.2,17.4,18,18
1965,18.7,18.9,16.7,13.7,8.6,5,5.4,8.6,11.9,14.3,18.5,19.6
1966,20.2,19,16.3,13.1,8,7.7,5.7,7.9,12.4,16.2,19.1,19.4
1967,19.5,18,16.4,14.7,9.5,6.6,3.8,7.1,12.1,16.6,17.5,17.8
1968,19.9,18.4,16.9,13.2,9.5,3.4,6.2,9,11.6,16.5,17.1,19.1
1969,19.6,20.2,17.9,14.4,9,6.3,6,8.7,12.3,16.7,17.7,18.1
1970,19.9,18.1,16.7,13.7,9.4,6.8,6.5,9,13.8,16.2,18.8,19.1
1971,18.8,17.8,17.4,15.2,8.7,6.1,5.5,7.6,12.8,15.9,17.1,18.4
1972,19.1,17.7,17.1,13.8,7.8,4.6,4.7,6.9,12.4,16.5,17.1,20
1973,20.5,18.1,19,13.9,9.5,7.3,5.7,7.6,12.8,16.6,17.5,18.1
1974,18.6,18.2,16.8,13.3,7.8,5,4.9,8,10.9,16.4,17.7,17.6
1975,18,17.7,16.4,13.4,9.6,5.8,4,6.9,12.7,15.1,18.1,18.1
1976,18.3,18.3,17.1,13.4,8.3,5.8,4,5.6,12.1,15.6,17.7,18.4
1977,19.1,19.2,16.7,13.2,8.4,5.6,4.9,7.9,13,16.8,18.3,18.6
1978,19.2,18.6,17.3,13,8.1,4.4,4.3,9.2,12.9,15.7,17.4,17.5
1979,17.2,18.4,16.4,12.9,9.3,6.6,4.5,8.9,13.1,16.9,17.5,18.2
1980,18.2,18.8,16.4,13.1,8.6,4.8,4.5,8.1,12.3,16.1,18,18.5
1981,19.6,18.5,16.9,13.1,8.6,4,5.1,8,11.3,15.2,19.5,19
1982,20.2,19.5,17.1,14.7,9.6,6.8,5.9,8.5,11.9,15.1,18.1,19.1
1983,20.9,19.1,17.8,15.1,10,7.6,6.3,7.1,13,16.4,19.7,19.2
1984,20.3,19,18,13.9,9.8,6.7,6.3,8.9,13.9,17.4,17.6,18.9
1985,19.6,18.6,17.1,13,8.9,5.7,5.6,8.9,12.9,16.8,18.2,19.3
1986,19.5,18.8,17.4,14.9,9.2,5.6,5.1,9.2,12.5,16.1,17.5,18.7
1987,19.6,20,18.1,15.3,11.2,5.5,5.2,8.9,14.1,16.8,19.9,19.6
1988,19.6,19.2,18.4,15.1,9.1,6.3,5.4,8.8,12.4,16.6,17.3,18.2
1989,19.1,18.7,16.9,13.8,9.8,7.1,5.9,9.5,12.1,15.3,16.9,18.3
1990,18.6,17.3,17.6,14.7,9.6,7.5,6.8,8.3,11.9,17.2,19,18.5
1991,19.9,19,17.7,12.2,9.3,6.5,5.2,8,13.9,17.3,18.5,18.6
1992,20.1,19.8,18.7,16,10,6.9,6.3,7.7,14.2,18.5,18.6,20.1
1993,19.2,19.1,16.8,14.4,10.5,6.9,7.3,8.3,13.1,18.4,18.6,19.1
1994,19.1,18.2,17,13.7,8.9,5.6,4.4,7.4,12.7,15.1,18.3,19.4
1995,20.4,19.4,18.3,14.9,11.2,5.8,6.4,9.9,14.3,18.5,20,19.4
1996,19.9,18.9,16.4,13.3,9.8,6.3,4.3,9,13.3,18.1,19.1,19.7
1997,18.9,18.3,18.1,13.5,7.9,5.9,6.1,8.4,13.8,15.8,18.7,19.7
1998,20,19.2,18.7,14.9,9,6.8,7,8.9,13.3,17.1,19.7,18.4
1999,19.2,17.6,17.8,14.2,10.6,7.1,7.3,8.9,12.7,15.9,19,18.3
2000,18.9,19.7,18.6,13.8,8.7,8.3,6.6,8,13.2,16.9,16.5,17.9
2001,19.4,19.2,18,15.7,10.2,6.1,5,9.7,13.2,17,18.5,19.4
2002,19.2,19.7,16.7,15.1,9.4,6.8,6.3,10,13.3,17.2,18.8,19.5
2003,19.8,19.3,16.3,15.2,9.5,7.1,4.8,7.5,12.9,16.9,19.8,20.2
2004,20.2,19.7,19.1,16.3,9.7,6.4,6,9.9,12.8,18.5,19.2,21.1
2005,21,19.7,19.1,15.4,11.4,9.1,6,11.6,13.9,17.6,20.8,19.3
2006,20,19.5,17.5,14.2,8.5,6.2,6.4,8.1,12.3,17.8,18.7,19.8
2007,19,19.6,18,14.9,8.8,6.7,5.5,8.1,14,16.5,18.4,18.8
2008,19.5,18.9,17.7,13.6,10.3,7.4,6.6,9.5,13.2,17.6,19.5,19.8
2009,20.6,20.2,17.9,13.8,9.9,7.8,5.2,10.6,14,17.5,18,20
